Ph mv Meter Digital Microprocessor Based (Soft Touch Keys) : (Soft Touch Keys)With 4 Digits Led Display, MTC Manual Temp. Comp., 3 Points (4.00, 7.00 & 9.20) Auto Buffer Recognition, 3point (4.00, 7.00 & 9.20) PH Calibration Auto & Manual. Along With Complete Accessories (i.e. Ph Electrode Combined, temp. Probe, Electrode Stand, Buffer Sol., Dust Cover & Manual.